stay
stayed
study
studied
call
called
no shop
didn't shop
cook
cooked
visit
visited
shop
shopped
no exercise
didn't exercise
no watch
didn't watch
exercise
exercised
wait
waited
no wait
didn't wait
listen
listened
no study
didn't study
watch
watched
talk
talked
walk
walked
no stay
didn't stay
invite
invited
clean
cleaned
no call
didn't call